SB2023082126 - Ubuntu update for zziplib
Published: August 21, 2023
Security Bulletin ID
SB2023082126
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Memory corruption (CVE-ID: CVE-2018-7727)
The vulnerability allows a local attacker to cause DoS condition on the target system.The weakness exists in the zzip_mem_disk_new function due to boundary error. A local attacker can send a specially crafted input, trigger memory leaks and cause the service to crash.
2) Infinite loop (CVE-ID: CVE-2020-18442)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the unzzip_cat_file() function. A remote attacker can consume all available system resources and cause denial of service conditions.
Remediation
Install update from vendor's website.